What it the working capital and the current ratio?

Using the following accounts and balances taken from a year-end balance sheet, compute working capital and the current ratio.

Accounts Payable	$ 3,500
Accounts Receivable	5,000
Cash	2,000
Marketable Securities	1,000
Merchandise Inventory	6,000
Notes Payable in Three Years	6,500
Property, Plant, and Equipment	20,000
Common Stock	24,000